Font size
WorksheetsFinal Exam Questions
Total questions: 80
Worksheet time: 40mins
What is the internet?
the type of physical media used by computers to access the World Wide Web
a network of networks
an application used to access the World Wide Web
a small isolated internal network of a company
What are three options for signal transmission on a network? (Choose three)
radiowaves
soundwaves
electrical pulses
vibration pulses
light pulses
A byte consists of how many bits?
2
4
8
16
What measurement is used to indicate millions of bits per second?
Kbps
Mbps
Tbps
Gbps
Who owns the internet?
Bill Gates
Cisco
the government
no one person or group
What type of internet connection would be best for a residence in a remote area without mobile phone coverage or wired connectivity?
dial-up
cellular
satellite
DSL
Which term correctly describes the function of an ISP?
responsible for managing local networks
responsible for the maintenance of SOHO networks
responsible for providing the link between a private network and the internet
responsible for providing security on private networks
Which device is an intermediary device?
firewall
PC
server
smart device
Which term is used to describe a network device with the primary function of providing information to other devices?
workstation
console
server
client
Which wireless technology uses a device-pairing process to communicate and operates over short distances of 100 meters?
wireless wide-area network
Wi-Fi
Bluetooth
GPS
A student purchased a new Wi-Fi-enabled tablet computer. What is required to connect this device to the internet?
a 3G or 4G network
a telephone company
a wireless LAN
a mobile phone service provider
Which technology allows a mobile device to establish wireless communication with another mobile device by touching them together?
Bluetooth
NFC
GPS
4G
What are two methods typically used on a mobile device to provide internet connectivity? (Choose two.)
cellular
Bluetooth
Wi-Fi
NFC
GPS
Which wireless technology allows a customer to connect to a payment system with a smartphone?
NFC
Wi-Fi
GPS
Bluetooth
A salesperson is using a smartphone map application to locate a business. What wireless technology enables the smartphone to receive satellite geolocation information for the map application?
GPS
NFC
Wi-Fi
Bluetooth
What two pieces of information are required when manually connecting either an iOS device or an Android device to a secured wireless network? (Choose two.)
the IP address
the SSID
the username
the password
Which wireless technology can be used to connect wireless headphones to a computer?
NFC
Bluetooth
Wi-Fi
4G
Which type of wireless communication is based on 802.11 standards?
Wi-Fi
Cellular WAN
Bluetooth
Infrared
What wireless router configuration would stop outsiders from using your home network?
IP address
encryption
router location
network name
What type of device is commonly connected to the Ethernet switch ports on a home wireless router?
DSL modem
cable modem
wireless antenna
LAN device
What can be used to allow visitor mobile devices to connect to a wireless network and restrict access of those devices to only the internet?
MAC address filtering
guest SSID
encryption
authentication
What is another term for the internet port of a wireless router?
WAN port
LAN port
local port
switch port
Which is a characteristic of the network SSID?
It is case sensitive.
It contains exactly 16 characters.
It is encrypted by default.
It is only required for guest access.
What networking term describes a particular set of rules at one layer that govern communication at that layer?
duplex
encapsulation
error checking
protocol
What is the purpose of protocols in data communications?
specifying the bandwidth of the channel or medium for each type of communication
specifying the device operating systems that will support the communication
providing the rules required for a specific type of communication to occur
dictating the content of the message sent during communication
Which two OSI model layers have the same functionality as a single layer of the TCP/IP model? (Choose two.)
datalink
network
physical
session
transport
What is the purpose of the OSI physical layer?
controlling access to media
transmitting bits across the local media
performing error detection on received frames
exchanging frames between nodes over physical network media
A network technician is extending the network from the main office building over several hundred meters to a new security station. The security station needs a high-speed connection to support video surveillance of the main building. What type of cable is best suited to connect the security station to the rest of the main office network?
coax
fiber optic
shielded twisted pair
unshielded twisted pair
What are two common media used in networks? (Choose two.)
copper
water
nylon
fiber
wood
Which type of network media carries data encoded into electrical impulses?
copper cable
wireless media
fiber-optic cable
cellular communication media
Which type of network media carries data encoded into impulses of light?
coaxial cable
wireless media
fiber-optic cable
twisted-pair cable
Which network device has the primary function to send data to a specific destination based on the information found in the MAC address table?
hub
router
switch
modem
What process is used to place one message inside another message for transfer from the source to the destination?
access control
decoding
encapsulation
flow control
What criterion must be followed in the design of an IPv4 addressing scheme for end devices?
Each IP address must match the address that is assigned to the host by DNS.
Each IP address must be unique within the local network.
Each IP address needs to be compatible with the MAC address.
Each localhost should be assigned an IP address with a unique network component.
How many octets (8 bits) exist in an IPv4 address?
4
8
16
32
Which two parts are components of an IPv4 address? (Choose two.)
subnet portion
network portion
logical portion
host portion
physical portion
What is the purpose of the subnet mask in conjunction with an IP address?
to uniquely identify a host on a network
to identify whether the address is public or private
to determine the subnet to which the host belongs
to mask the IP address to outsiders
Which statement describes the relationship of a physical network and logical IPv4 addressed networks?
A local physical network supports one IPv4 logical network.
A physical network can connect multiple devices of different IPv4 logical networks.
All devices connected to a physical network need to belong to the same IPv4 logical network.
End devices on different IPv4 logical networks can communicate with each other if they all connect to the same switch.
What is the network number for an IPv4 address 172.16.34.10 with the subnet mask of 255.255.255.0?
10
34.10
172.16.0.0
172.16.34.0
Consider the group of five IPv4 addresses each with the subnet mask of 255.255.255.0. Which two IPv4 addresses belong to the same local network? (Choose two.)
192.168.10.2
193.168.10.16
192.168.10.56
192.167.10.74
192.168.100.62
The IT group needs to design and deploy IPv4 network connectivity in a new high school computer lab. The network design requires multiple logical networks to be deployed on one physical network. Which technology is required to enable computers on different logical networks to communicate with each other?
routing
hosting
mapping
switching
Which statement describes one purpose of the subnet mask setting for a host?
It is used to describe the type of the subnet.
It is used to identify the default gateway.
It is used to determine to which network the host is connected.
It is used to determine the maximum number of bits within one packet that can be placed on a particular network.
A message is sent to all hosts on a remote network. Which type of message is it?
broadcast
multicast
evercast
unicast
Which network device can serve as a boundary to divide a Layer 2 broadcast domain?
router
Ethernet bridge
Ethernet hub
access point
What is the role of IANA?
maintaining standards related to electrical wiring and connectors
documenting developments for new protocols and updating existing protocols
managing the allocation of IP addresses and domain names
promoting the development and evolution of the Internet around the world
A host is transmitting a broadcast. Which host or hosts will receive it?
all hosts in the same network
a specially defined group of hosts
the closest neighbor on the same network
all hosts on the internet
IPv6 increases the IP address size from 32 bits to how many bits?
64
96
128
192
What does a double colon (::) represent in an IPv6 address notation?
a continuous string of one or more hextets that contain only zeros
at least eight occurrences of the same non-zero value
the boundary between the network portion and the host portion of the address
the beginning of the MAC address assigned to the IPv6 device
Which letter represents the hexadecimal value of the decimal number 15?
f
g
h
b
What was the reason for the creation and implementation of IPv6?
to make reading a 32-bit address easier
to relieve IPv4 address depletion
to provide more address space in the Internet Names Registry
to allow NAT support for private addressing
What is an advantage of using IPv6?
more addresses for networks and hosts
faster connectivity
higher bandwidth
more frequencies
Which type of server dynamically assigns an IP address to a host?
ARP
DHCP
DNS
FTP
What is one advantage of using DHCP to assign addresses to mobile devices?
Address leases are temporary and are returned to the pool when the device is turned off.
Addresses are permanently assigned to the mobile device and are valid on any network.
Using DHCP creates many more registered IPv4 addresses.
DHCP enables multiple internal IPv4 addresses to use a single registered global address.
Which destination IPv4 address does a DHCPv4 client use to send the initial DHCP Discover packet when the client is looking for a DHCP server?
127.0.0.1
224.0.0.1
255.255.255.255
the IP address of the default gateway
The default configuration on a home wireless router provides which type of addresses to devices using DHCP?
private IP addresses
public registered IPv4 addresses
public registered IPv6 addresses
vendor-specific MAC addresses
Which type of intermediary device acts as a boundary between a home wireless network and the internet?
Layer 2 switch
access point
DNS server
wireless router
What is the primary advantage of using NAT?
allows a large group of users to share one or more public IP addresses
allows a large group of users to share the same private IP address within a LAN
allows static mapping of public inside addresses to private outside addresses
allows dynamic mapping of registered inside addresses to private outside addresses
What is the purpose of NAT?
allowing hosts configured with registered public IP addresses to access the internet
translating private IP addresses to a public registered IP address
routing private IP addresses over the public internet
assigning a private IP address to a host for internet access
What is the purpose of configuring a default gateway address on a host?
to provide a permanent address to a computer
to identify the network to which a computer is connected
to identify the logical address of a networked computer and uniquely identify it to the rest of the network
to identify the device that allows local network computers to communicate with devices on other networks
Typically, which network device would be used to perform NAT for a corporate environment?
DHCP server
host device
router
server
Which characteristic describes the default gateway of a host computer?
the logical address of the router interface on the same network as the host computer
the physical address of the switch interface connected to the host computer
the physical address of the router interface on the same network as the host computer
the logical address assigned to the switch interface connected to the router
What statement describes a characteristic of MAC addresses?
They are the physical addresses of the NIC or interface.
They are only routable within the private network.
They are added as part of a Layer 3 PDU.
They have a 32-bit binary value.
What is one function of the ARP protocol?
obtaining an IPv4 address automatically
mapping a domain name to its IP address
resolving an IPv4 address to a MAC address
maintaining a table of domain names with their resolved IP addresses
What role does a router play on a network?
forwarding Layer 2 broadcasts
forwarding frames based on a MAC address
selecting the path to destination networks
connecting smaller networks into a single broadcast domain
Which address should be configured as the default gateway address of a client device?
the Layer 2 address of the switch management interface
the Layer 2 address of the switch port that is connected to the workstation
the IPv4 address of the router interface that is connected to the same LAN
the IPv4 address of the router interface that is connected to the internet
Refer to the exhibit. To allow IP communication between the two separate networks, what type of device is required?(сурет)
server
router
switch
access point
What is a benefit of adding a router within an IP network?
increases the size of the local network
keeps broadcasts contained within a local network
reduces the number of hosts that can connect to the network
controls host-to-host traffic within a single local network
When is UDP preferred to TCP?
when a client sends a segment to a server
when all the data must be fully received before any part of it is considered useful
when an application can tolerate some loss of data during transmission
when segments must arrive in a very specific sequence to be processed successfully
What protocol header information is used at the transport layer to identify a target application?
port number
IP address
sequence number
MAC address
At which layer of the TCP/IP model does TCP operate?
transport
application
internetwork
network access
What is a characteristic of UDP?
It establishes sessions with a three-way handshake.
It uses sequence numbers to reassemble segments.
It adds 20 bytes of overhead to application layer data.
It provides unreliable delivery of segments.
Which protocol operates at the application layer of the TCP/IP model?
IP
TCP
HTTP
ICMP
Which protocol allows a user to type www.cisco.com instead of an IP address to access the web server?
DNS
FTP
HTML
HTTP
Which two applications provide virtual terminal access to remote servers? (Choose two.)
SSH
DNS
DHCP
SMTP
Telnet
Which two protocols are used in the process of sending and receiving emails? (Choose two.)
HTTP
POP
SSH
SMTP
FTP
Which protocol is used by web servers to serve up a webpage?
FTP
HTTP
IMAP
POP
A user needs to find the MAC address on the host PC. Which command line utility can be used to display this information?
nslookup
ipconfig /all
ping
tracert
Which command line utility is used to display active network connections on a PC?
nslookup
netstat
ipconfig
ipconfig /all
Which command is used to test network connectivity and provide a response to each packet received by the remote host?
connect
ping
text
tracert
A user is able to ping www.cisco.com by its IP address but cannot browse to www.cisco.com in a browser. What is the possible cause?
The IP address of the source PC is wrong.
The IP address of the gateway is wrong.
The DHCP server is not configured correctly.
The DNS server is not working.
